package com.example.demo.customer;

import com.example.demo.exception.NotFoundException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.List;
import java.util.Objects;


@Service
public class CustomerService {

    private final static Logger LOGGER = LoggerFactory.getLogger(CustomerService.class);
    private final CustomerRepository customerRepository;

    @Autowired
    public CustomerService(CustomerRepository customerRepository){
        this.customerRepository =customerRepository;
    }

    List<Customer> getCustomers(){
        LOGGER.info("getCustomers called");
        return customerRepository.findAll();
   }
    Customer getCustomers( Long id){
        return  customerRepository
                .findById(id)

                .orElseThrow(()->{
                         NotFoundException notFoundException= new NotFoundException("customer "+ id + "无法找到");
        LOGGER.error("error: getCustomer{}" + id, notFoundException);
        return notFoundException;
                });
    }
    }

